Granted Patent
Utility
US 5,687,584 · App. 08/697,829
Absorption process with solvent pre-saturation
Inventor:
Yuv R. Mehra
Patented Case
View Patent ↗
Granted: Nov 18, 1997
Filed: Aug 30, 1996
Inventor
Yuv R. Mehra
Assignee (at issue)
ADVANCED EXTRACTION TECHNOLOGIES, INC.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.